Nervous System Quiz 366 (20 MCQs)

Quiz Instructions

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1. What are the two types of cells that nervous tissue is composed of?

Correct Answer: A) Neurons and neuroglia.

2. Which of the following describes how the nervous system works?

Correct Answer: A) Stimulus > receptor > sensory nerve > co-ordination centre > motor nerve > effector.

3. Surface area to volume ratio is important because

Correct Answer: B) It affects how fast/slow cells can diffuse nutrients & heat.

4. The sodium-potassium pump pumps how many sodium ions outside the neuron?

Correct Answer: C) 3.

5. Cerebrum is the brain

Correct Answer: A) Forebrain.

6. An organ of the digestive system that removes nutrients and water from digested food. You have a large one and a small one.

Correct Answer: D) Intestine.

7. Neuron is the most basic functional cell of nervous system.

Correct Answer: A) True.

8. Physician who administers anesthesia

Correct Answer: B) Anesthesiologist.

9. The largest part of the brain which controls voluntary movement, speech, intelligence memory, emotion, and sensory processing

Correct Answer: A) Cerebrum.

10. ..... are things in the internal or external environment that cause your nervous system to react.

Correct Answer: B) Stimuli.

11. What are the components of the central nervous system (CNS)?

Correct Answer: A) Brain and spinal cord.

12. What is the function of chemoreceptors?

Correct Answer: A) Detect changes in chemical concentrations.

13. Nerve impulse transmission refers to the ability of the neuron to .....

Correct Answer: D) Send an electrochemical signal.

14. The part of the brain that I will use to write for my assessment is

Correct Answer: B) Cerebellum.

15. Mashing with teeth and stomach churning are examples of

Correct Answer: C) Mechanical digestion.

16. Which part of the neuron is the conducting region that generates nerve impulses and transmits them?

Correct Answer: A) Axon.

17. What ion is found in greater abundance outside of the neuron during the resting potential?

Correct Answer: C) Sodium.

18. A thin membrane that marks the beginning of the middle ear. It vibrates because of sound waves.

Correct Answer: D) Eardrum.

19. Which neuroglial cells form the blood-brain barrier?

Correct Answer: B) Astrocytes.

20. Which of the following hormones is secreted by the hypothalamus?

Correct Answer: A) Oxytocin.